Is there a pin-compatible replacement for GJM1555C1H270FB01D?

Yes, several 0402 package capacitors like Yageo's CC0402FRNPO9BN270 are pin-compatible. However, 'pin-compatible' does not guarantee identical performance. The key difference is the target's High-Q rating (GJM series), which is crucial for some RF circuits.

What risks should I check before replacing GJM1555C1H270FB01D?

The main risk is a lower Q-factor, as the target is a 'High-Q' capacitor. Using a general-purpose replacement like a Yageo CC or Murata GRM series part may degrade performance in sensitive RF circuits like filters or oscillators. Always verify performance in your specific application.

GJM1555C1H270FB01D Alternatives, Datasheet & Cross Reference | Murata Manufacturing Co., Ltd.

GJM1555C1H270FB01D is a 27pF, 50V, ±1% High-Q C0G ceramic capacitor in an 0402 package from Murata, designed for high-frequency circuits. Finding a replacement requires matching key parameters and considering the application's need for a high Q-factor.

AI replacement insight

Electrical riskmedium

Q-factor difference between High-Q and general purpose parts.

Package risklow

Standard 0402 package is widely available.

Can it be replaced directly?

No guaranteed drop-in replacement exists without testing. While Yageo's CC0402FRNPO9BN270 is electrically and physically similar, the target's 'High-Q' characteristic is a specialized feature that general-purpose capacitors may not match.

Best replacement path

Use a cross-vendor functional alternative like Yageo CC0402FRNPO9BN270, which matches key electricals, and validate its performance in the target application due to the High-Q vs. general-purpose difference.

Main risk

The primary risk is performance degradation in high-frequency circuits due to a lower Q-factor in substitute components.

Recommended alternatives

A strong functional alternative with matching key electricals and package, but is a general-purpose type.

View details

Alternative comparison matrix

Feature / factor	GJM1555C1H270FB01D	CC0402FRNPO9BN270	CC0402GRNPO9BN270	GRM1555C1H270FA01D	Compatibility / risk
Package	0402 (1005 metric)	0402 (1005 metric)	0402 (1005 metric)	0402 (1005 metric)	0402 (1005 metric) — Matches form and fit.; CC0402GRNPO9BN270: Matches form and fit.; GRM1555C1H270FA01D: Matches form and fit.
Capacitance	27 pF	27 pF	27 pF	27 pF	27 pF — matched; CC0402GRNPO9BN270: matched; GRM1555C1H270FA01D: matched
Voltage	50 V	50 V	50 V	50 V	50 V — matched; CC0402GRNPO9BN270: matched; GRM1555C1H270FA01D: matched
Tolerance	±1%	±1%	±2%	±1%	±1% / ±2% — matched; CC0402GRNPO9BN270: Wider tolerance may affect circuit precision.; GRM1555C1H270FA01D: matched
Application	High-Q	General Purpose	General Purpose	GRM (General)	General Purpose / GRM (General) — Target is a High-Q part; verify RF performance.; CC0402GRNPO9BN270: Target is a High-Q part.; GRM1555C1H270FA01D: Target is GJM series (High-Q).
Lifecycle	Active	-	-	NRND	NRND — Not recommended for new designs.

Application & sourcing insights

Questions & answers

Yageo's CC0402FRNPO9BN270 is a strong functional alternative with matching capacitance, voltage, tolerance, and package. However, it is a general-purpose part, so performance should be verified in high-frequency applications where the target's High-Q characteristic is critical.